#include "comm.hpp"

extern Log log;

int main()
{
    Init init;
    int shmid = CreateShm();
    char *shmaddr = (char*)shmat(shmid,nullptr,0);

    int fd=open(FIFO_FILE,O_RDONLY);
    if(fd < 0)
    {
        log(Fatal,"error string: %S,error code: %d",strerror(errno),errno);
        exit(FIFO_OPEN_ERR);
    }
    struct shmid_ds shmds;
    while(true)
    {
        char c;
        ssize_t s=read(fd,&c,1);
        if(s==0) break;
        else if(s < 0) break;

        cout << "client say@ " << shmaddr << endl;
        sleep(1);

        shmctl(shmid,IPC_STAT,&shmds);
        cout << "shm size: " << shmds.shm_segsz << endl;
        cout << "shm nattch: " << shmds.shm_nattch << endl;
        printf("shm key: 0x%x\n",shmds.shm_perm.__key);
        cout << "shm mode: " << shmds.shm_perm.mode << endl;
    }

    shmdt(shmaddr);
    shmctl(shmid,IPC_RMID,nullptr);

    close(fd);
    return 0;
}